Chicago Tribune
Former Cubs pitcher Carlos Zambrano launches comeback with Chicago Dogs - Chicago Sun-Times
Glove in hand, Carlos Zambrano returned to Wrigley Field with a fast first pitch
Controversial Carlos Zambrano launches the most unlikely comeback
Carlos Zambrano to Start for Dogs Sunday - The Chicago Dogs
Chicago Tribune
Former Cubs pitcher Carlos Zambrano makes comeback with Chicago Dogs
Zambrano's Comeback: The Former Cub, Who Used To Be One Of MLB's Best Pitchers, Enjoying The Game Again On A Different Level - CBS Chicago
Carlos Zambrano Joins The Chicago Dogs
Chicago Tribune
Carlos Zambrano Hopes to Make Big League Comeback With Chicago Dogs – NBC Chicago
Carlos Zambrano - Wikipedia